Megaphone



FIG. 1 is a left side view of a megaphone showing our new design therefor, the right side being a mirror image thereof;

FIG. 2 is a top plan view therefor;

FIG. 3 is a bottom plan view therefor;

FIG. 4 is a frontal view therefor; and,

FIG. 5 is a rear view therefor. 

The ornamental design for a megaphone, as shown and described. 